20312012210200 has 48 divisors (see below), whose sum is σ = 48116474232480. Its totient is φ = 7971506674560.

The previous prime is 20312012210197. The next prime is 20312012210219. The reversal of 20312012210200 is 201221021302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958103184 + ... + 958124383.

It is an arithmetic number, because the mean of its divisors is an integer number (1002426546510).

Almost surely, 2^{20312012210200} is an apocalyptic number.

20312012210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312012210200 is an abundant number, since it is smaller than the sum of its proper divisors (27804462022280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20312012210200 is a wasteful number, since it uses less digits than its factorization.

20312012210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916227636 (or 1916227627 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20312012210200 its reverse (201221021302), we get a palindrome (20513233231502).

The spelling of 20312012210200 in words is "twenty trillion, three hundred twelve billion, twelve million, two hundred ten thousand, two hundred".